<lv-group lvDirection="vertical" lvGutter="16px">
  <div>
    <h3>Default show 3</h3>
    <lv-operation-menu [lvItemsFn]="getItems"></lv-operation-menu>
  </div>

  <div>
    <h3>Show 4</h3>
    <lv-operation-menu [lvItemsFn]="getItems" lvMaxShowNum="4"></lv-operation-menu>
  </div>

  <div>
    <h3>Show 1</h3>
    <lv-operation-menu [lvItemsFn]="getItems" lvMaxShowNum="1"></lv-operation-menu>
  </div>
</lv-group>
